如图为木炭还原氧化铜实验装置图请回答下列问题1左侧试管中能观察到什么现象2酒精灯加�罩的作用是什么3写出右侧试管中�生反应 Template




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tomski如图为木炭还原氧化铜实验装置图请回答下列问题1左侧试管中能观察到什么现象2酒精灯加�罩的作用是什么3写出右侧试管中�生反应 coloring